ETL:- ETL MEANS FIRST EXTRACT DATA FROM SOURCES AND TRANSFORMS DATA FOR DES

Difference Between ETL & ELT?

Question Posted / kunkala.ramakrishna

1 Answers
7798 Views
TCS, I also Faced
E-Mail Answers

ETL:- ETL MEANS FIRST EXTRACT DATA FROM SOURCES AND TRANSFORMS DATA FOR DESIGNED FORMAT THEN LOAD THE DATA IN TO TARGET

IN THIS ETL THE DATA MOVING 2 TIME IN THE NETWORK
1 SOURCE TO STAGGING
2 STAGGING TO TARGET

ELT: ELT MEANS FIRST EXTRACT THE DATA FROM SOURCES AND LOAD IN TO TARGET THEN TRANSFORM DATA FOR DESIGNED FORMAT

HERE DATA FIRST LOAD IN TEMPERY TABLES AFTER TRANSFORM THE DATA THEN LOAD IN TO PERMENT TABLES

IN THIS ELT THE DATA MOVING 1 TIME IN THE NETWORK

Is This Answer Correct ?

3 Yes

2 No

Post New Answer View All Answers

Please Help Members By Posting Answers For Below Questions

Enlist the various types of transformations.

1120

Where do we use mapping variables in informatica?

1120

What are the different options available for update strategy?

1049

Suppose we have a source qualifier transformation that populates two target tables. How do you ensure tgt2 is loaded after tgt1?

1140

Tell me about Propagate functions in informatica

976

What is InformaticaPowerCenter?

1177

Hi, In source I have records like this No name address 10 manoj mum 10 manoj dilhi 20 kumar usa 20 kumar Tokyo I want records in target like shown below No name addr1 addr2 10 manoj mum dilhi 20 kumar usa Tokyo If it is reverse we can do this by using Normalizer transformation by setting occurance as 2. Somebody will say use denoralization technique. But as of my knowledge I couldn’t find any denormalization technique. Is there any concept like that? I tryid this seriously but I could find any idea to implement this. Can any one please help me ? Advance Thanks

8296

Explain the various test procedures used to check whether the data is loaded in the backend, performance of the mapping, and quality of the data loaded in informatica?

1061

What is flashback table ? Advance thanks

1998

What is persistent lookup cache?

1096

What is a shortcut and copy in Informatica and how two are different with each other?

1240

Source and Target are flat files, Source table is as below ID,NAME 1,X 1,X 2,Y 2,Y On Target flat file i want the data to be loaded as mentioned below ID,NAME,REPEAT 1,X,2 1,X,2 2,Y,2 2,Y,2 How to achieve this, Can i get a map structure

7498

complex mapping ur project u r invlve can u explain and give real time example give me ?

2349

What is data transformation manager process?

1221

what is index?how it can work in informatica

2083